(19)

(11)

EP 2 021 115 A1

(12)

(43) Date of publication: 11.02.2009 Bulletin 2009/07 (21) Application number: 06722930.2 (22) Date of filing: 02.05.2006

(51) International Patent Classification (IPC):  B01J 2/16(2006.01) (86) International application number: PCT/DK2006/000238 (87) International publication number: WO 2007/124745 (08.11.2007 Gazette 2007/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (71) Applicant: NIRO A/S 2860 Søborg (DK)	(72) Inventor: NIELSEN, Peter Schultz DK-2860 Søborg (DK) (74) Representative: Rasmussen, Torben Ravn et al Internationalt Patent-Bureau A/S Rigensgade 11 1316 Copenhagen K 1316 Copenhagen K (DK)